/*
 * Copyright 2019-2025 the original author or authors.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * https://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.iiifi.kite.boot.web.servlet.error;

import javax.servlet.Servlet;

import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnWebApplication;
import org.springframework.boot.autoconfigure.condition.SearchStrategy;
import org.springframework.boot.autoconfigure.web.ServerProperties;
import org.springframework.boot.autoconfigure.web.servlet.error.BasicErrorController;
import org.springframework.boot.autoconfigure.web.servlet.error.ErrorMvcAutoConfiguration;
import org.springframework.boot.web.servlet.error.DefaultErrorAttributes;
import org.springframework.boot.web.servlet.error.ErrorAttributes;
import org.springframework.boot.web.servlet.error.ErrorController;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.DispatcherServlet;

import com.fasterxml.jackson.databind.ObjectMapper;

import lombok.AllArgsConstructor;

/**
 * 统一异常处理
 *
 * @author kite@iiifi.com 花朝
 */
@Configuration
@AllArgsConstructor
@AutoConfigureBefore(ErrorMvcAutoConfiguration.class)
@ConditionalOnClass({Servlet.class, DispatcherServlet.class})
@ConditionalOnWebApplication(type = ConditionalOnWebApplication.Type.SERVLET)
public class KiteErrorAutoConfiguration {
    private final ServerProperties serverProperties;
    private final ObjectMapper objectMapper;

    @Bean
    @ConditionalOnMissingBean(value = ErrorAttributes.class, search = SearchStrategy.CURRENT)
    public DefaultErrorAttributes errorAttributes() {
        return new KiteErrorAttributes();
    }

    @Bean
    @ConditionalOnMissingBean(value = ErrorController.class, search = SearchStrategy.CURRENT)
    public BasicErrorController basicErrorController(ErrorAttributes errorAttributes) {
        return new KiteErrorController(objectMapper, errorAttributes, serverProperties.getError());
    }

}
